Revert "Update SQLAlchemy, Flask, Flask-SQLAlchemy, and other packages to current versions. #5901"

This reverts commit 31818bb67a.

web/migrations/versions/09d53fca90c7_.py

@@ -123,9 +123,9 @@ def upgrade():
 
     if version < 11:
         # get metadata from current connection
-        meta = sa.MetaData()
+        meta = sa.MetaData(bind=op.get_bind())
         # define table representation
-        meta.reflect(op.get_bind(), only=('role',))
+        meta.reflect(only=('role',))
         role_table = sa.Table('role', meta)
 
         op.execute(
@@ -166,9 +166,9 @@ def upgrade():
                          'value': security_password_salt}])
 
     # get metadata from current connection
-    meta = sa.MetaData()
+    meta = sa.MetaData(bind=op.get_bind())
     # define table representation
-    meta.reflect(op.get_bind(), only=('version',))
+    meta.reflect(only=('version',))
     version_table = sa.Table('version', meta)
 
     op.execute(

web/migrations/versions/7fedf8531802_.py

@@ -35,9 +35,9 @@ def upgrade():
                                           ['username', 'auth_source'])
 
     # For internal email is a user name, so update the existing records.
-    meta = sa.MetaData()
+    meta = sa.MetaData(bind=op.get_bind())
     # define table representation
-    meta.reflect(op.get_bind(), only=('user',))
+    meta.reflect(only=('user',))
     user_table = sa.Table('user', meta)
 
     op.execute(

web/migrations/versions/aff1436e3c8c_.py

@@ -27,9 +27,9 @@ depends_on = None
 
 def upgrade():
     # get metadata from current connection
-    meta = sa.MetaData()
+    meta = sa.MetaData(bind=op.get_bind())
     # define table representation
-    meta.reflect(op.get_bind(), only=('server',))
+    meta.reflect(only=('server',))
     server_table = sa.Table('server', meta)
     op.execute(
         server_table.update().where(server_table.c.connect_timeout == 0 or

web/migrations/versions/c465fee44968_.py

@@ -29,9 +29,9 @@ def upgrade():
     op.add_column('user', sa.Column('fs_uniquifier', sa.String(),
                                     nullable=True))
 
-    meta = sa.MetaData()
+    meta = sa.MetaData(bind=op.get_bind())
     # define table representation
-    meta.reflect(op.get_bind(), only=('user',))
+    meta.reflect(only=('user',))
     user_table = sa.Table('user', meta)
 
     op.execute(

web/migrations/versions/d39482714a2e_.py

@@ -30,9 +30,9 @@ def upgrade():
     # If password is already exists for any existing server then change the
     # save_password column to 1 (True) else set 0
     # get metadata from current connection
-    meta = sa.MetaData()
+    meta = sa.MetaData(bind=op.get_bind())
     # define table representation
-    meta.reflect(op.get_bind(), only=('server',))
+    meta.reflect(only=('server',))
     server_table = sa.Table('server', meta)
 
     op.execute(

web/migrations/versions/f656e56dfdc8_.py

@@ -50,18 +50,18 @@ def migrate_connection_params(table_name):
         pass
 
     # define table representation
-    meta = sa.MetaData()
-    meta.reflect(op.get_bind(), only=(table_name,))
+    meta = sa.MetaData(bind=op.get_bind())
+    meta.reflect(only=(table_name,))
     server_table = sa.Table(table_name, meta)
 
     # Create a select statement
-    stmt = sa.select(
+    stmt = sa.select([
         server_table.columns.id, server_table.columns.ssl_mode,
         server_table.columns.sslcert, server_table.columns.sslkey,
         server_table.columns.sslrootcert, server_table.columns.sslcrl,
         server_table.columns.sslcompression, server_table.columns.hostaddr,
         server_table.columns.passfile, server_table.columns.connect_timeout
-    )
+    ])
 
     # Fetch the data from the server table
     results = op.get_bind().execute(stmt).fetchall()

web/migrations/versions/fdc58d9bd449_.py

@@ -114,8 +114,7 @@ def upgrade():
         current_app.config['SECURITY_PASSWORD_SALT'] = current_salt
         current_app.config['SECRET_KEY'] = secret_key
         user_datastore = SQLAlchemyUserDatastore(db, User, Role)
-        Security(current_app.app_context().app, user_datastore,
-                 register_blueprint=False)
+        Security(current_app, user_datastore, register_blueprint=False)
     else:
         current_app.config['SECURITY_PASSWORD_SALT'] = current_salt
         current_app.config['SECRET_KEY'] = secret_key